Re: [Springframework-developer] SWF - Creating HTTP sessions - Feedback needed

[Rob H. <ro...@ca...>]

Indeed - I am actually doing this with a client at the moment. They have 
two separate geographic locations and a small amount of state to 
maintain, so we are going to encode it in hidden fields.

Rob

Alef Arendsen wrote:

> It's what ASP.NET (and I think some JSF implementations) does as well 
> - serialization of the state in a hidden input field. I don't think 
> it'd be that difficult to implement a custom tag that does this, 
> wouldn't it?
>
> rgds,
> Alef
>
> On Mar 31, 2005, at 10:30 PM, Rob Harrop wrote:
>
>> I see no problem in implictly creating a session - although I am 
>> concerned about the impact of this on clustered applications. Can the 
>> session implementation be factored out so that users can implement 
>> their own session storage?
>>
>> Rob
>>
>> Erwin Vervaet wrote:
>>
>>> The Spring Web Flow (SWF) FlowController forces the "requireSession" 
>>> property it inherits from AbstractController to "true". This is 
>>> logical since the webflow system needs to store flow execution state 
>>> in the HTTP session.
>>>
>>> So far so good. However, since the controller now requires an 
>>> existing session, the user/developer is responsible for creating 
>>> that session before a flow is started. This is typically not a 
>>> problem in real-life applications since those carefully manage 
>>> session creation and invalidation.
>>>
>>> Still, we are wondering whether it is a good idea to implicitly 
>>> create sessions (usually using request.getSession()) in a 
>>> controller, or should this be left as a responsability of the 
>>> application developer? Note that AbstractWizardFormController and 
>>> AbstractFormController implicitly create sessions.
>>>
>>> Erwin Vervaet
>>> erw...@er...
>>>
>>>
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>>
>>
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